Yes, a back rib is also called a baby back rib.
According to the provided reference, baby back ribs are also known as back ribs or loin ribs. They are a popular cut of pork ribs. The name "baby back" doesn't mean they come from young pigs; instead, it indicates that they are smaller than other rib cuts and are located closer to the pig's back.
In summary:
- Baby back ribs = Back ribs = Loin ribs